Cargando....
|
Mantén pulsado para arrastrar. |
|||
|
Haz clic aquí para cerrar |
|||
Pregunta 1 Informe
Find the fifth term in the binomial expansion of \((q + x)^7\).
Detalles de la respuesta
Pregunta 3 Informe
In how many ways can a committee of 3 women and 2 men be chosen from a group of 7 men and 5 women?
Detalles de la respuesta
Pregunta 4 Informe
The probabilities that Atta and Tunde will hit a target in a shooting contest are \(\frac{1}{6}\) and \({1}{9}\) respectively. Find the probability that only one of them will hit the target.
Detalles de la respuesta
Pregunta 5 Informe
Given that r = (10 N , 200º) and n = (16 N , 020º), find (3r - 2n).
Detalles de la respuesta
Pregunta 6 Informe
The table shows the operation * on the set {x, y, z, w}.
| * | X | Y | Z | W |
| X | Y | Z | X | W |
| Y | Z | W | Y | X |
| Z | X | Y | Z | W |
| W | W | X | W | Z |
Find the identity of the element.
Detalles de la respuesta
Pregunta 7 Informe
If \(X\) and \(Y\) are two independent events such that \(P (X) = \frac{1}{8}\) and \(P (X ⋃ Y) = \frac{5}{8}\), find \(P (Y)\).
Detalles de la respuesta
Pregunta 8 Informe
The distance S metres moved by a body in t seconds is given by \(S = 5t^3 - \frac{19}{2} t^2 + 6t - 4\). Calculate the acceleration of the body after 2 seconds
Detalles de la respuesta
Pregunta 9 Informe
A particle began to move at \(27 ms^{-1}\) along a straight line with constant retardation of \(9 ms^{-2}\). Calculate the time it took the particle to come to a stop.
Detalles de la respuesta
Pregunta 10 Informe
If \((x - 5)\) is a factor of \(x^3 - 4x^2 - 11x + 30\), find the remaining factors.
Detalles de la respuesta
Pregunta 11 Informe
If \(3x^2 + p x + 12 = 0\) has equal roots, find the values of p .
Detalles de la respuesta
Pregunta 12 Informe
Given that \(\frac{3x + 4}{(x - 2)(x + 3)}≡\frac{P}{x + 3}+\frac{Q}{x - 2}\),find the value of Q.
Detalles de la respuesta
Pregunta 13 Informe
Find the radius of the circle \(2x^2 + 2y^2 - 4x + 5y + 1 = 0\)
Detalles de la respuesta
Pregunta 14 Informe
A function \(f\) is defined by \(f :x→\frac{x + 2}{x - 3},x ≠ 3\).Find the inverse of \(f\) .
Detalles de la respuesta
Pregunta 15 Informe
Given that P = {x : 2 ≤ x ≤ 8} and Q = {x : 4 < x ≤ 12} are subsets of the universal set μ = {x : x ∈ R}, find (P ⋂ Q\(^1\)).
Detalles de la respuesta
Pregunta 17 Informe
Consider the statements:
x: The school bus arrived late
y: The student walked down to school
Which of the following can be represented by y ⇒ x?
Detalles de la respuesta
Pregunta 18 Informe
\(Differentiate f (x) = \frac{1}{(1 - x^2)^5}\) with respect to \(x\).
Detalles de la respuesta
Pregunta 20 Informe
Given that \(p = \begin{bmatrix} x&4\\3&7\end{bmatrix} Q =\begin{bmatrix} x&3\\1&2x\end{bmatrix}\) and the determinant of \(Q\) is three more than that of \(P\) , find the values of \(x\).
Detalles de la respuesta
Pregunta 21 Informe
If α and β are the roots of \(7x2 +12x - 4 = 0\),find the value of \(\frac{αβ}{(α + β)^2}\)
Detalles de la respuesta
Pregunta 22 Informe
Find the equation of the normal to the curve y = \(3x^2 + 2\) at point (1, 5).
Detalles de la respuesta
Pregunta 23 Informe
In how many ways can four Mathematicians be selected from six ?
Detalles de la respuesta
Pregunta 24 Informe
A uniform beam PQ of length 80 cm and weight 60 N rests on a support at X where | PX | = 30 cm. If the body is kept in equilibrium by a mass m kg which is placed at P , calculate the value of m
[Take g = 10 ms\(^{-2}\)]
Detalles de la respuesta
Pregunta 25 Informe
Adu's scores in five subjects in an examination are 85, 84, 83, 86 and 87. Calculate the standard deviation.
Detalles de la respuesta
Pregunta 26 Informe
Given that \(sin x = \frac{4}{5}\) and \(cos y = \frac{12}{13}\), where x is an obtuse angle and y is an acute angle, find the value of sin (x - y).
Detalles de la respuesta
Pregunta 27 Informe
The velocity of a body of mass 4.56 kg increases from \((10 ms^{-1}, 060^o) to (50 ms ^{-1}, 060^o)\) in 16 seconds . Calculate the magnitude of force acting on it.
Detalles de la respuesta
Pregunta 28 Informe
If m and ( m + 4) are the roots of \(4x^2 - 4x - 15 = 0\), find the equation whose roots are 2 m and (2 m + 8).
Detalles de la respuesta
Pregunta 29 Informe
Calculate, correct to one decimal place, the angle between 5 i + 12 j and -2 i + 3 j
Detalles de la respuesta
Pregunta 30 Informe
Find the coefficient of the \(6^{th}term\) in the binomial expansion of \((1 - \frac{2x}{3})10\) in ascending powers of \(x\).
Detalles de la respuesta
Pregunta 31 Informe
Given that M is the midpoint of T (2, 4) and Q (-8, 6), find the length of MQ .
Detalles de la respuesta
Pregunta 33 Informe
A linear transformation on the oxy plane is defined by \(P : (x, y) → (2x + y, -2y)\). Find \(P^2\)
Detalles de la respuesta
Pregunta 35 Informe
An exponential sequence (G.P.) is given by 8√2, 16√2, 32√2, ... . Find the n\(^{th}\) term of the sequence
Detalles de la respuesta
Pregunta 36 Informe
The table shows the mark obtained by students in a test.
| Marks | 1 | 2 | 3 | 4 | 5 |
| Frequency | 2 | k | 1 | 1 | 2 |
If the mean mark is 3, find the value of k.
Detalles de la respuesta
Pregunta 37 Informe
If \(f : x → 2 tan x\) and \(g : x → √(x^2 + 8), find ( g o f )(45^o)\)
Detalles de la respuesta
Pregunta 38 Informe
An exponential sequence (G.P.) is given by \(\frac{9}{2},\frac{3}{4},\frac{1}{8},\)....Find its sum to infinity.
Detalles de la respuesta
Pregunta 40 Informe
If\((\frac{1}{9})^{2x-1} = (\frac{1}{81})^{2-3x}\)find the value of x
Detalles de la respuesta
¿Te gustaría proceder con esta acción?